WorksheetsDNA Grade 8
Total questions: 20
Worksheet time: 13mins
A segment of DNA that codes for a trait
gene
centromere
chromosome
chromatid
an observable characteristic
trait
personality
cell
DNA
Genetic traits are determined by one or more
genes
organelles
random chances
cells
Long strands of DNA are wrapped into
DNA
Chromosome
Alleles
Phenotype
What is mutation ?
change in color of organism
change in DNA of the organism
change in the location of the organism
which of the following is NOT a name of a nitrogen base in the DNA ?
adenine
cytosine
guanine
melamine
The basic unit of DNA is called
nucleus
nucleotide
tide
molecule
Where is our DNA located ? ( select 2 boxes )
inside the chromosomes
comes from the food we eat
inside the cells
in the air we breathe
Adenine bonds with
Adenine
Cytosine
Thymine
Guanine
Guanine bonds with
Adenine
Cytosine
Thymine
Guanine
What are the 4 nitrogen bases?
adenine, thymine, cytosine, and glucose
adenine, thymine, cytosine, and gylcerol
adenine, thymine, cytoplasm, and guanine
adenine, thymine cytosine, and guanine
Which shows the correct complementary base pairing for DNA?
C-A, T-G
A-G, C-T
C-G, U-A
T-A, G-C
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
TAC AGT GTC
ATG TGA CAG
TAC ACT GTC
GTA AGT GAC
The drawing shows the structure of what molecule?
A lipid molecule
A DNA molecule
A protein molecule
A carbohydrate molecule
